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path: root/drivers/gpu/drm/msm/msm_atomic.c
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Diffstat (limited to 'drivers/gpu/drm/msm/msm_atomic.c')
-rw-r--r--drivers/gpu/drm/msm/msm_atomic.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c
index 4e21e1d72378..30b5d23e53b4 100644
--- a/drivers/gpu/drm/msm/msm_atomic.c
+++ b/drivers/gpu/drm/msm/msm_atomic.c
@@ -241,6 +241,10 @@ int msm_atomic_commit(struct drm_device *dev,
drm_atomic_helper_swap_state(state, true);
+ /* swap driver private state while still holding state_lock */
+ if (to_kms_state(state)->state)
+ priv->kms->funcs->swap_state(priv->kms, state);
+
/*
* Everything below can be run asynchronously without the need to grab
* any modeset locks at all under one conditions: It must be guaranteed
@@ -271,3 +275,30 @@ error:
drm_atomic_helper_cleanup_planes(dev, state);
return ret;
}
+
+struct drm_atomic_state *msm_atomic_state_alloc(struct drm_device *dev)
+{
+ struct msm_kms_state *state = kzalloc(sizeof(*state), GFP_KERNEL);
+
+ if (!state || drm_atomic_state_init(dev, &state->base) < 0) {
+ kfree(state);
+ return NULL;
+ }
+
+ return &state->base;
+}
+
+void msm_atomic_state_clear(struct drm_atomic_state *s)
+{
+ struct msm_kms_state *state = to_kms_state(s);
+ drm_atomic_state_default_clear(&state->base);
+ kfree(state->state);
+ state->state = NULL;
+}
+
+void msm_atomic_state_free(struct drm_atomic_state *state)
+{
+ kfree(to_kms_state(state)->state);
+ drm_atomic_state_default_release(state);
+ kfree(state);
+}